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Using Scopes in Laravel

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[开发(php) 所属分类 开发(php) | 发布者 店小二04 | 时间 2017 | 作者 红领巾 ] 0人收藏点击收藏

I have about 4 models that all share 2 common queries. I want all of them that are "Published" and or Ordered by a field called Order.

This does help with some DRY goals, but you could easily change or add to a scope as needed to update all the queries involved etc. Especially if at a later point you break this out into a Repository Patter to use a different ORM.

So using Scopes I can make one shared query. All my Model classes extend a BaseModel class I made that looks like this

//app/models/BaseModel.php <php class BaseModel extends \Eloquent { public function scopePublished($query) { return $query->where("published", "=", 1); } public function scopeOrderByOrder($query) { return $query->orderBy('order'); } }

So with any of the three class all I have to do is use these scopes.

//app/controllers/PortfoliosController.php public function adminIndex() { $portfolios = Portfolio::OrderByOrder()->get(); return View::make('portfolios.admin_index', compact('portfolios')); }

or even a Models relationships

//app/models/Portfolio.php public function projects() { return $this->hasMany('Project')->Published()->OrderByOrder(); }

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